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

63°F

17°C

Humidity 43%
Wind Speed E 6 mph
Barometer 30.20 in (1022.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 20 May 7:53 pm EDT
Extended Forecast for

Alto MI

  • Tonight

    Tonight: Partly cloudy, with a low around 41. North northeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. East wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. East northeast wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 70. Breezy, with an east wind 13 to 20 mph, with gusts as high as 32 mph.

    High: 70 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after 2am. Low around 52. East wind 16 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Showers, mainly before 2pm. High near 71. Chance of precipitation is 80%.

    High: 71 °F

    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

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

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. North northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 65. East wind 10 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 43. East northeast wind 10 to 13 mph, with gusts as high as 24 mph.
Friday
Increasing clouds, with a high near 70. Breezy, with an east wind 13 to 20 mph, with gusts as high as 32 mph.
Friday Night
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 52. East wind 16 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.
Saturday
Showers, mainly before 2pm. High near 71. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
A chance of showers. Mostly cloudy, with a high near 75.
Sunday Night
Partly cloudy, with a low around 52.
Memorial Day
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alto MI
 42.84°N 85.38°W (Elev. 797 ft)
Last Update:
8:03 pm EDT May 20, 2026
Forecast Valid:
8pm EDT May 20, 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