Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

Capital Region International Airport (KLAN)

Lat: 42.78°NLon: 84.6°WElev: 856ft.

Overcast with Haze

68°F

20°C

Humidity 93%
Wind Speed SW 5 mph
Barometer 29.88 in (1011.5 mb)
Dewpoint 66°F (19°C)
Visibility 4.00 mi
Last update 12 Aug 8:53 am EDT
Extended Forecast for

Saint Johns MI

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm.  Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, increasing clouds, with a high near 83. Calm wind becoming east northeast around 5 mph.

    High: 83 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. Light east northeast wind.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 82. Northeast wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 8am.  Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, with thunderstorms also possible after 2am.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 82.

    High: 82 °F

    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Calm wind becoming west southwest around 6 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Patchy fog before 7am. Otherwise, increasing clouds, with a high near 83. Calm wind becoming east northeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 63. Light east northeast wind.
Friday
Sunny, with a high near 82. Northeast wind 6 to 9 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A 40 percent chance of showers after 8am. Partly sunny, with a high near 82.
Saturday Night
Showers likely, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 66.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Johns MI
 42.99°N 84.57°W (Elev. 794 ft)
8:03 am EDT Aug 12, 2026
9am EDT Aug 12, 2026-6pm EDT Aug 18, 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