National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Grand Rapids, Gerald R. Ford International Airport (KGRR)

Lat: 42.88°NLon: 85.52°WElev: 794ft.

Partly Cloudy

47°F

8°C

Humidity 63%
Wind Speed NE 12 mph
Barometer 30.31 in (1026.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 21 May 3:53 am EDT
Extended Forecast for

3 Miles WNW Martin MI

  • Today

    Today: Mostly sunny, with a high near 66. East northeast wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. East northeast wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70. East wind 10 to 16 mph, with gusts as high as 30 mph.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 52. East wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 8am, then showers likely. High near 69. East wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. East northeast wind 7 to 11 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 44. East northeast wind 9 to 11 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 70. East wind 10 to 16 mph, with gusts as high as 30 mph.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 52. East wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm before 8am, then showers likely. High near 69. East wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 54.
Memorial Day
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
A chance of showers. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Martin MI
 42.55°N 85.68°W (Elev. 850 ft)
Last Update:
4:03 am EDT May 21, 2026
Forecast Valid:
4am EDT May 21, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation