Heavy Rainfall Threat for Mid-Atlantic into Southern New England; Fire Weather Hazards for the West

Heavy rain and isolated severe thunderstorms may cause flash flooding in the northern Mid-Atlantic today. The Mid-Atlantic and Southeast heatwave is slowly easing, while cooler, drier air spreads across the Central and Eastern U.S. for the start of August. Critical fire conditions persist in the Pacific Northwest and Four Corners due to dry storms and gusty winds. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

73°F

23°C

Humidity 63%
Wind Speed E 13 mph
Barometer 30.29 in
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 31 Jul 3:55 pm CDT
Extended Forecast for

Deep River IA

  • This Afternoon

    This Afternoon: Areas of smoke. Mostly sunny, with a high near 77. Northeast wind around 10 mph.

    High: 77 °F

    Areas Smoke

  • Tonight

    Tonight: Areas of smoke. Partly cloudy, with a low around 53. North northeast wind 3 to 8 mph.

    Low: 53 °F

    Areas Smoke

  • Friday

    Friday: Areas of smoke. Mostly sunny, with a high near 76. East northeast wind 3 to 8 mph.

    High: 76 °F

    Areas Smoke

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Calm wind becoming east southeast around 6 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Areas of smoke. Mostly sunny, with a high near 77. Northeast wind around 10 mph.
Tonight
Areas of smoke. Partly cloudy, with a low around 53. North northeast wind 3 to 8 mph.
Friday
Areas of smoke. Mostly sunny, with a high near 76. East northeast wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 76. Calm wind becoming east southeast around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Deep River IA
 41.59°N 92.34°W
2:35 pm CDT Jul 31, 2025
4pm CDT Jul 31, 2025-6pm CDT Aug 6, 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