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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 >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

Lat: 40.16°NLon: 105.16°WElev: 5039ft.

Fair

90°F

32°C

Humidity 20%
Wind Speed NE 14 G 18 mph
Barometer 30.09 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Aug 4:55 pm MDT
Extended Forecast for

Olympus Hgt CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Southwest wind around 5 mph.

    High: 79 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Southeast wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 17 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming east southeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 51. Southeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 73.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 72.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Olympus Hgt CO
 40.39°N 105.46°W (Elev. 7402 ft)
Last Update:
3:15 pm MDT Aug 17, 2025
Forecast Valid:
5pm MDT Aug 17, 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