Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Fair

14°F

-10°C

Humidity 57%
Wind Speed Vrbl 6 mph
Barometer 30.30 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 29 Jan 3:35 pm CST
Extended Forecast for

Martelle IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 14. North wind around 5 mph.

    High: 14 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 0. Wind chill values as low as -10. North wind around 5 mph.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 13. Wind chill values as low as -15. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 13 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 1. Wind chill values as low as -15. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 1 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 20.

    High: 20 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of snow.  Partly sunny, with a high near 27.

    High: 27 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 14. North wind around 5 mph.
Tonight
Mostly clear, with a low around 0. Wind chill values as low as -10. North wind around 5 mph.
Friday
Mostly sunny, with a high near 13. Wind chill values as low as -15. North wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 1. Wind chill values as low as -15. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 20.
Saturday Night
Mostly clear, with a low around 5.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 27.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 29.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
Martelle IA
 42.01°N 91.36°W (Elev. 902 ft)
3:16 pm CST Jan 29, 2026
3pm CST Jan 29, 2026-6pm CST Feb 4, 2026
 
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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