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 >

Hazardous Weather Conditions

Current conditions at

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

Lat: 42.88°NLon: 85.52°WElev: 794ft.

Fair

47°F

8°C

Humidity 52%
Wind Speed NE 9 mph
Barometer 30.30 in (1026.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 21 May 12:53 am EDT
Extended Forecast for

3 Miles WNW Martin MI

  • Overnight

    Overnight: Mostly clear, with a low around 41. East northeast wind around 8 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 66. East northeast wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. East northeast wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 70. East wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, 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 90%.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Showers, mainly before 8am. High near 71. Chance of precipitation is 80%.

    High: 71 °F

    Showers then
    Chance
    Showers

  • Saturday Night

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

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 41. East northeast wind around 8 mph.
Thursday
Mostly sunny, with a high near 66. East northeast wind 8 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 44. East northeast wind 8 to 11 mph, with gusts as high as 21 mph.
Friday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 70. East wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Showers likely, 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 90%.
Saturday
Showers, mainly before 8am. High near 71. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 52.
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
A chance of showers. 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:
1:03 am EDT May 21, 2026
Forecast Valid:
1am 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