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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Fair

73°F

23°C

Humidity 71%
Wind Speed SW 8 mph
Barometer 29.79 in (1008.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 Oct 9:53 pm CDT
Extended Forecast for

Grand River IA

  • Tonight

    Tonight: Mostly clear, with a low around 62. Southwest wind 5 to 9 mph becoming north northwest after midnight.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. Light and variable wind becoming northeast around 6 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 58. North northeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 68. North northeast wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 57. East northeast wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Cloudy then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 59. Windy.

    High: 59 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Southwest wind 5 to 9 mph becoming north northwest after midnight.
Tuesday
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. Light and variable wind becoming northeast around 6 mph. Chance of precipitation is 20%.
Tuesday Night
Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 58. North northeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 68. North northeast wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 57. East northeast wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm. High near 69. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 59. Windy.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand River IA
 40.82°N 93.96°W
Last Update:
8:16 pm CDT Oct 12, 2026
Forecast Valid:
10pm CDT Oct 12, 2026-6pm CDT Oct 19, 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