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

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

60°F

16°C

Humidity 95%
Wind Speed SE 8 mph
Barometer 29.95 in
Dewpoint 58°F (14°C)
Visibility 7.00 mi
Last update 15 Oct 11:55 am CDT
Extended Forecast for

Deep River IA

  • This Afternoon

    This Afternoon: Showers, mainly before 5pm. High near 62. East southeast wind 5 to 11 mph becoming west northwest. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 44. Breezy, with a northwest wind 16 to 18 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers between 9am and 11am. Mostly cloudy, with a high near 52. Windy, with a west northwest wind 20 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 52 °F

    Windy. Slight
    Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Widespread frost, mainly after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 30. North wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 21 mph.

    Low: 30 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost before 9am. Otherwise, sunny, with a high near 58. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 58 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers, mainly before 5pm. High near 62. East southeast wind 5 to 11 mph becoming west northwest. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 44. Breezy, with a northwest wind 16 to 18 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers between 9am and 11am. Mostly cloudy, with a high near 52. Windy, with a west northwest wind 20 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Friday Night
Widespread frost, mainly after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 30. North wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 21 mph.
Saturday
Widespread frost before 9am. Otherwise, sunny, with a high near 58. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deep River IA
 41.57°N 92.37°W
Last Update:
11:02 am CDT Oct 15, 2026
Forecast Valid:
12pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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