National Weather Service United States Department of Commerce

Heavy rain possible for the northern Rockies & Plains; severe storms for the Northern Plains

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, with locally heavy rainfall, to the northern Rockies and northern Plains. Isolated flash floods will be possible in these areas. Some storms could become severe in parts of the Dakotas into Minnesota, with large hail and damaging winds. In addition, temperatures will be 10 to 20 degrees below average.
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Current Conditions

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Olympus Hgt CO

7 Day Forecast

For More Weather Information:

Denver-Boulder, CO Local Forecast Office

This
Afternoon

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 68 °F

Tonight

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 43 °F

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 68 °F

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 47 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 69 °F

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 48 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 68 °F

Tuesday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 45 °F

Wednesday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 65 °F

Detailed Forecast

  • This Afternoon A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. West wind 11 to 14 mph, with gusts as high as 22 mph.
  • Tonight A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43. West wind 8 to 14 mph, with gusts as high as 22 mph.
  • Sunday A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 68. Southwest wind 8 to 10 mph, with gusts as high as 16 mph.
  • Sunday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47. West wind 3 to 7 mph.
  • Monday A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. West southwest wind 5 to 8 mph becoming south in the afternoon.
  • Monday Night A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
  • Tuesday A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 68.
  • Tuesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 45.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
  • Thursday Sunny, with a high near 70.
  • Thursday Night Partly cloudy, with a low around 48.
  • Friday Mostly sunny, with a high near 73.