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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Missoula, Missoula International Airport (KMSO)

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

Clear

55°F

13°C

Humidity 62%
Wind Speed NW 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Aug 01:05 AM MDT
Extended Forecast for

Missoula MT

  • Overnight

    Overnight: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly cloudy through mid morning, then becoming sunny, with a high near 87. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. West northwest wind around 6 mph becoming calm after midnight.

    Low: 58 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly cloudy through mid morning, then becoming sunny, with a high near 87. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 93. Calm wind becoming west southwest around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. West northwest wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 85.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Missoula MT
 46.89°N 114°W (Elev. 3220 ft)
Last Update:
2:30 pm MDT Aug 17, 2025
Forecast Valid:
1am MDT Aug 18, 2025-6pm MDT Aug 24, 2025
 
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