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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Missoula, Missoula International Airport (KMSO)

Lat: 46.92083°NLon: 114.0925°WElev: 3199.0ft.

Rain

48°F

9°C

Humidity 81%
Wind Speed W 10 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 20 May 08:35 PM MDT
Extended Forecast for

5 Miles WNW Potomac MT

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of rain, mainly before 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Thursday
Mostly sunny, with a high near 63. Calm wind.
Thursday Night
Partly cloudy, with a low around 35. Calm wind.
Friday
Mostly sunny, with a high near 70. Light and variable wind.
Friday Night
Mostly clear, with a low around 39. Calm wind.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 42.
Memorial Day
Mostly sunny, with a high near 75.
Monday Night
A chance of rain. Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Partly sunny, with a high near 66.
Tuesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Partly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Potomac MT
 46.9°N 113.69°W (Elev. 3599 ft)
Last Update:
2:01 pm MDT May 20, 2026
Forecast Valid:
9pm MDT May 20, 2026-6pm MDT May 27, 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