Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

ST FRANCIS (KSYF)

Lat: 39.76°NLon: 101.8°WElev: 3363ft.

Fair

66°F

19°C

Humidity 35%
Wind Speed SW 10 mph
Barometer 29.56 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 Jun 12:55 am CDT
Extended Forecast for

2 Miles NE Bonny Reservoir CO

  • Overnight

    Overnight: Clear, with a low around 67. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 67 °F

    Clear and
    Breezy

  • Wednesday

    Wednesday: Patchy blowing dust between 7am and 11am. Sunny, with a high near 91. Breezy, with a north wind 20 to 25 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 91 °F

    Patchy
    Blowing Dust
    and Breezy
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 84. North wind 5 to 15 mph becoming east in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. East wind around 15 mph becoming south after midnight.

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 91. Breezy.

    High: 91 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 60. Breezy.

    Low: 60 °F

    Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 95. Breezy.

    High: 95 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Partly cloudy, with a low around 58. Breezy.  Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    T-storms and
    Breezy then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 67. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Patchy blowing dust between 7am and 11am. Sunny, with a high near 91. Breezy, with a north wind 20 to 25 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 55. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 84. North wind 5 to 15 mph becoming east in the afternoon.
Thursday Night
Mostly clear, with a low around 55. East wind around 15 mph becoming south after midnight.
Juneteenth
Mostly sunny, with a high near 91. Breezy.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60. Breezy.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95. Breezy.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 58. Breezy. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Bonny Reservoir CO
 39.62°N 102.14°W
11:01 pm MDT Jun 16, 2026
12am MDT Jun 17, 2026-6pm MDT Jun 23, 2026
 
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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