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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Vance Brand Airport (KLMO)

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

Fair with Haze

63°F

17°C

Humidity 67%
Wind Speed NW 3 mph
Barometer 30.15 in
Dewpoint 51°F (11°C)
Visibility 5.00 mi
Last update 18 Sep 8:55 pm MDT
Extended Forecast for

Olympus Hgt CO

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Calm wind becoming west around 5 mph after midnight.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 66. Southwest wind 3 to 7 mph. Chance of precipitation is 70%.

    High: 66 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers after 5am. Partly cloudy, with a low around 42. Light west wind. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 62. Calm wind becoming south southwest around 6 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    High: 62 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers before midnight. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Calm wind becoming west around 5 mph after midnight.
Saturday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 66. Southwest wind 3 to 7 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers after 5am. Partly cloudy, with a low around 42. Light west wind. Chance of precipitation is 30%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 62. Calm wind becoming south southwest around 6 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 40. Light and variable wind.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Tuesday Night
A chance of showers before midnight. Mostly cloudy, with a low around 45.
Wednesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 68.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 46.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 47.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Olympus Hgt CO
 40.36°N 105.48°W (Elev. 7841 ft)
Last Update:
12:46 pm MDT Sep 18, 2026
Forecast Valid:
9pm MDT Sep 18, 2026-6pm MDT Sep 25, 2026
 
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