Alerts from NWS Detroit/Pontiac MI (UNOFFICIAL)
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dtw.nws-bot.us
Alerts from NWS Detroit/Pontiac MI (UNOFFICIAL)
@dtw.nws-bot.us
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Unofficial bot sharing alerts from NWS Detroit/Pontiac MI.

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dtw.nws-bot.us
DTX issues Area Forecast Discussion (AFD) at Nov 29, 7:01 PM EST
at Sun, 30 Nov 2025 00:02:05 +0000 via IEMbot
Additional Details Here.
November 30, 2025 at 12:06 AM
dtw.nws-bot.us
FLINT MI Nov 29
Climate Report:
High: 31
Low: 20
Precip: Trace
Snow: 0.1" Snow Depth: Trace
at Sat, 29 Nov 2025 21:27:32 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 9:47 PM
dtw.nws-bot.us
TRI CITIES MI Nov 29
Climate Report:
High: 30
Low: 23
Precip: Trace
Snow: 0.1" Snow Depth: 0"
at Sat, 29 Nov 2025 21:27:32 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 9:47 PM
dtw.nws-bot.us
🚨 Winter Storm Warning issued November 29 at 3:17PM EST until November 30 at 10:00AM EST by NWS Detroit/Pontiac MI 🚨
Additional Details Here.
* WHAT...Heavy snow. Total snow accumulations between 6 and 8 inches. * WHERE...Areas along and west of US-23. * WHEN...Until 10 AM EST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Light snowfall will continue to spread eastward across the area this afternoon. Peak snowfall rates of 0.50 to 0.75 inches per hour are expected between 6 PM and 2 AM tonight. Snowfall rates may briefly reach 1 inch per hour near and south of I-94 this evening. Snowfall will continue overnight and taper off Sunday morning. * WHAT...Snow. Total snow accumulations between 4 and 6 inches. Localized snow accumulations up to 7 inches possible. * WHERE...Areas east of US-23 * WHEN...Until 10 AM EST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Light snowfall will continue to spread eastward across the area this afternoon. Peak snowfall rates of 0.50 inches per hour are expected between 7 PM and 2 AM tonight. Snowfall rates may briefly reach 1 inch per hour near and south of I-94 this evening. Lighter snowfall will continue overnight and taper off Sunday morning.
November 29, 2025 at 8:30 PM
dtw.nws-bot.us
DTX issues Hazardous Weather Outlook (HWO) at Nov 29, 3:09 PM EST
at Sat, 29 Nov 2025 20:09:22 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 8:26 PM
dtw.nws-bot.us
DTX continues Winter Storm Warning for Bay, Lenawee, Livingston, Midland, Saginaw, Shiawassee, Washtenaw [MI] till Nov 30, 10:00 AM EST
at Sat, 29 Nov 2025 20:17:16 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 8:26 PM
dtw.nws-bot.us
DTX issues Area Forecast Discussion (AFD) at Nov 29, 3:01 PM EST
at Sat, 29 Nov 2025 20:01:24 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 8:06 PM
dtw.nws-bot.us
DTX issues Area Forecast Discussion (AFD) at Nov 29, 12:59 PM EST
at Sat, 29 Nov 2025 17:59:45 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 6:06 PM
dtw.nws-bot.us
🚨 Winter Storm Warning issued November 29 at 11:09AM EST until November 30 at 10:00AM EST by NWS Detroit/Pontiac MI 🚨
Additional Details Here.
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 8 inches. * WHERE...Areas along and west of US-23. * WHEN...From 3 PM this afternoon to 10 AM EST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Light snowfall will begin to spread eastward across the area between 12 PM and 4 PM this afternoon. Peak snowfall rates of 0.50 to 0.75 inches per hour are expected between 6 PM and 2 AM tonight. Snowfall rates may briefly reach 1 inch per hour near and south of I-94 this evening. Snowfall will continue overnight and taper off Sunday morning. * WHAT...Snow expected. Total snow accumulations between 4 and 6 inches. Localized snow accumulations up to 7 inches possible. * WHERE...Areas east of US-23 * WHEN...From 3 PM this afternoon to 10 AM EST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Light snowfall will begin to spread eastward across the area between 1 PM and 5 PM this afternoon. Peak snowfall rates of 0.50 inches per hour are expected between 7 PM and 2 AM tonight. Snowfall rates may briefly reach 1 inch per hour near and south of I-94 this evening. Lighter snowfall will continue overnight and taper off Sunday morning.
November 29, 2025 at 4:15 PM
dtw.nws-bot.us
DTX issues Area Forecast Discussion (AFD) at Nov 29, 10:27 AM EST
at Sat, 29 Nov 2025 15:27:25 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 3:46 PM
dtw.nws-bot.us
DTX issues Low Water Advisory valid at Nov 30, 3:00 AM EST for Michigan Waters of Lake Erie from Detroit River to North Cape MI [LE] till Nov 30, 10:00 PM EST
at Sat, 29 Nov 2025 14:57:24 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 3:06 PM
dtw.nws-bot.us
Small Craft Advisory issued November 29 at 9:57AM EST until November 30 at 2:00PM EST by NWS Detroit/Pontiac MI
Additional Details Here.(3/3)
* WHAT...Expect sustained winds up to 25 knots from the west with brief gusts up to 34 knots. The largest significant waves will be 7 feet with a potential maximum wave height of 10 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay, Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...The maximum winds are expected around 4 PM EST Sunday with the largest waves expected around 7 PM EST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
November 29, 2025 at 3:00 PM
dtw.nws-bot.us
Small Craft Advisory issued November 29 at 9:57AM EST until November 30 at 2:00PM EST by NWS Detroit/Pontiac MI
Additional Details Here.
(2/3)
* WHAT...During the Small Craft Advisory, expect sustained winds up to 27 knots from the southwest with gusts up to 34 knots. The largest significant waves will be 5 feet with a potential maximum wave height of 7 feet. During the Low Water Advisory, abnormally low water levels expected. * WHERE...Michigan Waters of Lake Erie from Detroit River to North Cape MI. * WHEN...The maximum winds are expected around 9 AM EST Sunday with the largest waves expected around 5 AM EST Sunday. * IMPACTS...Conditions will be hazardous to small craft. Below normal water levels will result in hazardous navigating conditions. * ADDITIONAL DETAILS...At 9:18 AM EST Saturday, the water level at Toledo was 20 inches above low water datum. The critical mark for safe navigation is 5 inches below low water datum. Water levels in the western basin of Lake Erie are expected to fall below the critical mark for safe navigation between 3 AM and 7 AM Sunday and then rebound to above the critical mark during Sunday evening. * WHAT...During the Small Craft Advisory, expect sustained winds up to 27 knots from the southwest with gusts up to 34 knots. The largest significant waves will be 5 feet with a potential maximum wave height of 7 feet. During the Low Water Advisory, abnormally low water levels expected. * WHERE...Michigan Waters of Lake Erie from Detroit River to North Cape MI. * WHEN...The maximum winds are expected around 9 AM EST Sunday with the largest waves expected around 5 AM EST Sunday. * IMPACTS...Conditions will be hazardous to small craft. Below normal water levels will result in hazardous navigating conditions. * ADDITIONAL DETAILS...At 9:18 AM EST Saturday, the water level at Toledo was 20 inches above low water datum. The critical mark for safe navigation is 5 inches below low water datum. Water levels in the western basin of Lake Erie are expected to fall below the critical mark for safe navigation between 3 AM and 7 AM Sunday and then rebound to above the critical mark during Sunday evening. * WHAT...Expect sustained winds up to 25 knots from the northwest with gusts up to 33 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN...The maximum winds are expected around 4 PM EST Sunday with the largest waves expected around 5 PM EST Sunday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Expect sustained winds up to 23 knots from the southwest with gusts up to 31 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Lake St Clair. * WHEN...The maximum winds are expected around 9 AM EST Sunday with the largest waves expected around 8 AM EST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
November 29, 2025 at 3:00 PM
dtw.nws-bot.us
Small Craft Advisory issued November 29 at 9:57AM EST until November 30 at 2:00PM EST by NWS Detroit/Pontiac MI
Additional Details Here.
(1/3)
* WHAT...During the Small Craft Advisory, expect sustained winds up to 22 knots from the south with gusts up to 30 knots. The largest significant waves will be 7 feet with a potential maximum wave height of 10 feet. During the Gale Warning, expect sustained winds up to 28 knots from the northwest with gusts up to 37 knots. The largest significant waves will be 10 feet with a potential maximum wave height of 14 feet. * WHERE...Port Austin to Harbor Beach MI. * WHEN...During the Small Craft Advisory, the maximum winds are expected around 2 AM EST Sunday with the largest waves expected around 2 AM EST Sunday. During the Gale Warning, the maximum winds are expected around 5 PM EST Sunday with the largest waves expected around 8 PM EST Sunday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * WHAT...During the Small Craft Advisory, expect sustained winds up to 22 knots from the south with gusts up to 30 knots. The largest significant waves will be 7 feet with a potential maximum wave height of 10 feet. During the Gale Warning, expect sustained winds up to 28 knots from the northwest with gusts up to 37 knots. The largest significant waves will be 10 feet with a potential maximum wave height of 14 feet. * WHERE...Port Austin to Harbor Beach MI. * WHEN...During the Small Craft Advisory, the maximum winds are expected around 2 AM EST Sunday with the largest waves expected around 2 AM EST Sunday. During the Gale Warning, the maximum winds are expected around 5 PM EST Sunday with the largest waves expected around 8 PM EST Sunday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * WHAT...Expect sustained winds up to 30 knots from the northwest with gusts up to 38 knots. The largest significant waves will be 13 feet with a potential maximum wave height of 19 feet. * WHERE...Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore, Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore and Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore. * WHEN...The maximum winds are expected around 7 PM EST Sunday with the largest waves expected around 8 PM EST Sunday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * WHAT...Expect sustained winds up to 29 knots from the northwest with gusts up to 38 knots. The largest significant waves will be 12 feet with a potential maximum wave height of 17 feet. * WHERE...Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore and Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore. * WHEN...The maximum winds are expected around 6 PM EST Sunday with the largest waves expected around 8 PM EST Sunday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.
November 29, 2025 at 3:00 PM
dtw.nws-bot.us
DTX issues Area Forecast Discussion (AFD) at Nov 29, 6:38 AM EST
at Sat, 29 Nov 2025 11:38:56 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 11:47 AM
dtw.nws-bot.us
DTX issues Hazardous Weather Outlook (HWO) at Nov 29, 4:31 AM EST
at Sat, 29 Nov 2025 09:31:19 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 9:47 AM
dtw.nws-bot.us
DTX issues Area Forecast Discussion (AFD) at Nov 29, 4:22 AM EST
at Sat, 29 Nov 2025 09:22:28 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 9:26 AM
dtw.nws-bot.us
🚨 Winter Storm Warning issued November 29 at 3:47AM EST until November 30 at 10:00AM EST by NWS Detroit/Pontiac MI 🚨
Additional Details Here.
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 8 inches. * WHERE...Areas along and west of US-23. * WHEN...From 3 PM this afternoon to 10 AM EST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Light snowfall will begin to spread eastward across the area between 12 PM and 4 PM this afternoon. Peak snowfall rates of 0.50 to 0.75 inches per hour are expected between 6 PM and 2 AM tonight. Snowfall rates may briefly reach 1 inch per hour near and south of I-94 this evening. Snowfall will continue overnight and taper off Sunday morning. * WHAT...Snow expected. Total snow accumulations between 4 and 6 inches. Localized snow accumulations up to 7 inches possible. * WHERE...Areas east of US-23. * WHEN...From 3 PM this afternoon to 10 AM EST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Light snowfall will begin to spread eastward across the area between 1 PM and 5 PM this afternoon. Peak snowfall rates of 0.50 inches per hour are expected between 7 PM and 2 AM tonight. Snowfall rates may briefly reach 1 inch per hour near and south of I-94 this evening. Lighter snowfall will continue overnight and taper off Sunday morning.
November 29, 2025 at 9:00 AM
dtw.nws-bot.us
Small Craft Advisory issued November 29 at 3:51AM EST until December 1 at 7:00AM EST by NWS Detroit/Pontiac MI
Additional Details Here.(2/2)
* WHAT...Expect sustained winds up to 32 knots from the northwest with gusts up to 36 knots. The largest significant waves will be 12 feet with a potential maximum wave height of 17 feet. * WHERE...Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore and Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore. * WHEN...The maximum winds are expected around 5 PM EST Sunday with the largest waves expected around 8 PM EST Sunday. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.
November 29, 2025 at 9:00 AM
dtw.nws-bot.us
FLINT MI Nov 28
Climate Report:
High: 30
Low: 24
Precip: Trace
Snow: Trace Snow Depth: Trace
at Sat, 29 Nov 2025 06:37:47 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 6:47 AM
dtw.nws-bot.us
DTX issues Area Forecast Discussion (AFD) at Nov 29, 12:00 AM EST
at Sat, 29 Nov 2025 05:00:59 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 5:06 AM
dtw.nws-bot.us
DTX continues Winter Weather Advisory valid at Nov 29, 3:00 PM EST for Genesee, Huron, Lapeer, Macomb, Monroe, Oakland, Sanilac, St. Clair, Tuscola, Wayne [MI] till Nov 30, 10:00 A... at Sat, 29 Nov 2025 03:55:01 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 4:06 AM
dtw.nws-bot.us
🚨 Winter Storm Warning issued November 28 at 10:54PM EST until November 30 at 10:00AM EST by NWS Detroit/Pontiac MI 🚨
Additional Details Here.
* WHAT...Heavy snow expected. Total snow accumulations between 5 and 8 inches. * WHERE...Western portions of Southeast Michigan from the Tri-Cities directly south to Monroe County. * WHEN...From 3 PM Saturday to 10 AM EST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Light snowfall will begin to spread eastward across Southeast Michigan between 1 PM and 4 PM Saturday afternoon. Peak snowfall rates up to an inch per hour are possible between 6 PM and Midnight Saturday evening. * WHAT...Snow expected. Total snow accumulations between 4 and 6 inches. Localized snow accumulations up to 7 inches possible. * WHERE...A portion of southeast Michigan. * WHEN...From 3 PM Saturday to 10 AM EST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Light snowfall will begin to spread eastward across Southeast Michigan between 2 PM and 5 PM Saturday afternoon. Peak snowfall rates up to three quarters of an inch per hour are possible between 7 PM Saturday and 1 AM Sunday.
November 29, 2025 at 4:00 AM
dtw.nws-bot.us
Small Craft Advisory issued November 28 at 10:02PM EST until November 29 at 4:00AM EST by NWS Detroit/Pontiac MI
Additional Details Here.
* WHAT...Expect sustained winds up to 20 knots from the west with gusts up to 23 knots. The largest significant waves will be 5 feet with a potential maximum wave height of 7 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay and Port Austin to Harbor Beach MI. * WHEN...The maximum winds are expected around 10 PM EST Friday with the largest waves expected around 10 PM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Expect sustained winds up to 31 knots from the northwest with gusts up to 37 knots. The largest significant waves will be 10 feet with a potential maximum wave height of 14 feet. * WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore. * WHEN...The maximum winds are expected around 6 PM EST Sunday with the largest waves expected around 8 PM EST Sunday. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. * WHAT...Expect sustained winds up to 31 knots from the northwest with gusts up to 37 knots. The largest significant waves will be 13 feet with a potential maximum wave height of 19 feet. * WHERE...Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore and Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore. * WHEN...The maximum winds are expected around 6 PM EST Sunday with the largest waves expected around 8 PM EST Sunday. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.
November 29, 2025 at 3:15 AM
dtw.nws-bot.us
DTX issues Area Forecast Discussion (AFD) at Nov 28, 7:18 PM EST
at Sat, 29 Nov 2025 00:19:09 +0000 via IEMbot
Additional Details Here.
November 29, 2025 at 12:27 AM