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

STEVI (STVM8)

Lat: 46.55617° N Lon: 114.07435° W Elev: 3205.0 ft.

NA

79°F

26°C

Humidity 42%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index79°F (26°C)
Last update 17 Aug 04:14 PM MDT
Detailed forecast for

Missoula/Bitterroot Valleys

Tonight
Partly cloudy. Chance of rain showers and a slight chance of thunderstorms early in the evening, then chance of rain showers late in the evening. Haze early in the evening. Chance of precipitation 30 percent. Lows in the lower to mid 50s.
Monday
Mostly cloudy. A 30 percent chance of showers and thunderstorms in the afternoon. Highs in the mid to upper 80s.
Monday Night
Mostly clear. Lows in the 50s.
Tuesday
Mostly sunny. Highs in the lower to mid 90s.
Tuesday Night
Mostly cloudy with a 20 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid to upper 50s.
Wednesday
Mostly sunny. Highs near 90.
Wednesday Night
Mostly clear. Lows in the lower to mid 50s.
Thursday
Sunny. Highs in the 80s.
Thursday Night
Mostly clear. Lows near 50.
Friday
Sunny. Highs near 90.
Friday Night
Mostly clear. Lows near 50.
Saturday
Mostly sunny. Highs in the lower 90s.
Saturday Night
Mostly clear. Lows in the lower to mid 50s.
Sunday
Mostly sunny. Highs near 90.



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231 PM MDT Sun Aug 17 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database