Updated: 03.06.2020 16:25
Next update: 04.06.2020 05:25

WXSIM Forecast for: O'Fallon

Tonight

72°

5
60% Thursday

88°

6
Thursday
night

71°

3
Friday

93°

4
70% Friday
night

67°

3
Saturday

83°

8
Saturday
night

61°

6
Sunday

81°

9
Sunday
night

63°

7
Monday

84°

10
Temp./Prec./Baro.Thunder/Dewp. Solar/UV Max/min temp.
Overview Hour-by-hour Detailed 48 hrs
  Conditions Temperature Wind Precipitation UV Index Description and notes
Tonight
72°
5
<0.1 in
PoP: 30%
Partly to mostly cloudy. Light to moderate fog after midnight. A chance of rain.
Scattered thunderstorms likely, some possibly severe. Precipitation less than a tenth of an inch.
Thursday
88°
6
0.25 in
PoP: 60%
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. Rain likely.
Severe thunderstorms likely, with possible tornados. Hot.
Heat index: 93°. Precipitation mostly around a quarter of an inch.
Thursday night
71°
3
<0.1 in
PoP: 40%
Mostly cloudy to cloudy in the evening, becoming fair to partly cloudy after midnight. Light to moderate fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight.
Scattered thunderstorms likely, some possibly severe. Precipitation less than a tenth of an inch.
Friday
93°
4
  Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. Light to moderate fog in the morning. Very hot.
Heat index: 101°.
Friday night
67°
3
0.5 in
PoP: 70%
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Rain likely in the evening, then a chance of rain after midnight.
Precipitation mostly around half an inch.
Saturday
83°
8
  Sunny. Patchy light fog in the morning.
Saturday night
61°
6
  Clear.
Sunday
81°
9
  Sunny.
Sunday night
63°
7
  Clear in the evening, becoming partly cloudy after midnight.
Monday
84°
10
  Mostly cloudy in the morning, becoming partly cloudy in the afternoon.
Monday night
69°
9
  Partly to mostly cloudy in the evening, becoming cloudy after midnight.
Tuesday
80°
11
0.25 in
PoP: 70%
Dense overcast. A slight chance of rain in the morning, then rain likely in the afternoon.
Thunderstorms very likely, some severe. Precipitation mostly around a quarter of an inch.
Tuesday night
66°
10
<0.25 in
PoP: 60%
Dense overcast in the evening, becoming mostly cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight.
Thunderstorms very likely, some severe. Precipitation less than a quarter of an inch.
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