Hazardous Weather Conditions
Current conditions at
Fort Madison Municipal Airport (KFSW)
Lat: 40.66°NLon: 91.33°WElev: 719ft.
Partly Cloudy
81°F
27°C
| Humidity | 62% |
| Wind Speed | S 18 G 31 mph |
| Barometer | 29.68 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 17 Apr 2:15 pm CDT |
Extended Forecast for
2 Miles ENE Carthage IL
Flood Watch until April 18, 04:00am
Tornado Watch until April 17, 08:00pm
NOW: Multiple hazards in effect

Click HERE for Details
This Afternoon

High: 83 °F
Severe
Thunderstorms
and BreezyTonight
Low: 42 °F
Breezy.
Severe
Thunderstorms
then
Scattered
ShowersSaturday

High: 54 °F
Becoming
Sunny and
BreezySaturday Night

Low: 36 °F
Clear then
Areas FrostSunday

High: 60 °F
Areas Frost
then SunnySunday Night

Low: 35 °F
Mostly Clear
Monday

High: 64 °F
Sunny
Monday Night

Low: 51 °F
Mostly Clear
Detailed Forecast
This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Partly sunny, with a high near 83. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms before 1am, then scattered showers. Some of the storms could be severe. Low around 42. Breezy, with a south wind 15 to 20 mph becoming south 10 to 15 mph in the evening. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. Northwest wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Carthage IL
40.43°N 91.1°W (Elev. 676 ft)
40.43°N 91.1°W (Elev. 676 ft)
1:26 pm CDT Apr 17, 2026
2pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026



