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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

ST FRANCIS (KSYF)

Lat: 39.76°NLon: 101.8°WElev: 3363ft.

Fair

68°F

20°C

Humidity 56%
Wind Speed SE 12 mph
Barometer 30.10 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 1 Aug 10:55 pm CDT
Extended Forecast for

5 Miles NNE Bonny Reservoir CO

  • Tonight

    Tonight: Clear, with a low around 60. Southeast wind 10 to 15 mph becoming south after midnight.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 97 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.

    Low: 66 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Sunny and hot, with a high near 100. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 100 °F

    Hot and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 60. Breezy, with a south wind 15 to 20 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Breezy.
    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Breezy.

    High: 83 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 60. Southeast wind 10 to 15 mph becoming south after midnight.
Sunday
Sunny and hot, with a high near 97. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 66. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.
Monday
Sunny and hot, with a high near 100. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 60. Breezy, with a south wind 15 to 20 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 83. Breezy.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Bonny Reservoir CO
 39.69°N 102.14°W
Last Update:
8:37 pm MDT Aug 1, 2026
Forecast Valid:
10pm MDT Aug 1, 2026-6pm MDT Aug 8, 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