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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

60°F

16°C

Humidity 45%
Wind Speed NNE 7 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 21 May 01:52 AM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: Mostly clear, with a low around 53. Breezy, with an east northeast wind around 22 mph.

    Low: 53 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 72. Breezy, with an east northeast wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon.

    High: 72 °F

    Sunny and
    Breezy then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. East northeast wind 16 to 21 mph, with gusts as high as 31 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. Breezy, with an east northeast wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon.

    High: 73 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54. Northeast wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

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

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Breezy, with an east northeast wind around 22 mph.
Thursday
Sunny, with a high near 72. Breezy, with an east northeast wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. East northeast wind 16 to 21 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 73. Breezy, with an east northeast wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon.
Friday Night
Clear, with a low around 54. Northeast wind 8 to 15 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 47.
Memorial Day
A chance of rain after 11am. Snow level 7600 feet lowering to 7100 feet in the afternoon . Partly sunny, with a high near 49.
Monday Night
Rain likely. Snow level 6700 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 41.
Tuesday
A chance of rain. Snow level 4600 feet rising to 5800 feet in the afternoon. Partly sunny, with a high near 49.
Tuesday Night
A slight chance of rain. Snow level 6000 feet. Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
Last Update:
12:11 am PDT May 21, 2026
Forecast Valid:
2am PDT May 21, 2026-6pm PDT May 27, 2026
 
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