Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Partly Cloudy

79°F

26°C

Humidity 76%
Wind Speed E 7 mph
Barometer 30.07 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 15 Jun 2:15 pm CDT
Extended Forecast for

5 Miles SSW Malcom IA

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 84. South southeast wind around 5 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am.  Mostly cloudy, with a low around 66. Light and variable wind.  New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 87. South wind 3 to 7 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 68. South wind around 7 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 88. South wind 6 to 9 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm after 10pm.  Low around 65. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 65 °F

    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. South southeast wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66. Light and variable wind. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. South wind 3 to 7 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. South wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. South wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm after 10pm. Low around 65. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 62.
Juneteenth
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 90. Breezy.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 92. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Malcom IA
 41.64°N 92.6°W
12:40 pm CDT Jun 15, 2025
2pm CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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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