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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Montezuma IA

  • Today

    Today: Mostly sunny, with a high near 50. Calm wind becoming south around 5 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. Light south wind.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. South southwest wind 3 to 8 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 34. South wind around 6 mph.

    Low: 34 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. Breezy.

    High: 59 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 50. Calm wind becoming south around 5 mph.
Tonight
Mostly clear, with a low around 28. Light south wind.
Monday
Sunny, with a high near 55. South southwest wind 3 to 8 mph.
Monday Night
Clear, with a low around 34. South wind around 6 mph.
Tuesday
Sunny, with a high near 58. South wind 6 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 59. Breezy.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 62.
Friday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Saturday
Showers. High near 62. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montezuma IA
 41.57°N 92.52°W
Last Update:
6:47 am CST Nov 15, 2026
Forecast Valid:
8am CST Nov 15, 2026-6pm CST Nov 21, 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