0in

Rain Today

Rain Last Hour
0in

Recorded at Mattoon / Charleston, Coles County Memorial Airport Updated 52 mins ago (8 miles away)

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Real-Time Extremes

Hottest 94.9 °F
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Coldest -45.5 °F
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Windiest 38mph
Cape Romanzof, Cape Romanzof LRRS Airport, AK
Wettest (Last Hour) 0.2in
Petersburg, AK
Most Humid 100%
Prattville - Grouby Field, AL
Least Humid 9%
Luke Air Force Base / Phoenix, AZ
Highest Pressure 1038.3 hPa
Salida - Monarch Pass, CO
Lowest Pressure 978 hPa
Eureka, Skelton Airport, AK

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Johnstown Rainfall Forecast

Today 11 Jan
60%
Mon 12 Jan
No Rain
Tue 13 Jan
5%
Wed 14 Jan
25%
Thu 15 Jan
5%
Fri 16 Jan
20%
Sat 17 Jan
5%

Johnstown Rainfall Statistics

January Rainfall

Mattoon / Charleston, Coles County Memorial Airport (7.5 miles)

Total Rainfall 2026
0.2in
Daily Average 2026
0.02in
Wettest Day 8 January, 2026
0.2in
Wet Days 2026
1/11 (9%)
Total Rainfall December
0.9in
Daily Average December
0.03in
Wettest Day 18 December, 2025
0.3in
Wet Days December
6/31 (19%)
Total Rainfall January
0.2in
Daily Average January
0.02in
Wettest Day 8 January, 2026
0.2in
Wet Days January
1/11 (9%)

Climate (2010–Present)

Mattoon / Charleston, Coles County Memorial Airport (7.5 miles)

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Annual Average 2021–2025
35.9in
Monthly Average 2021–2025
3in
Daily Average 2021–2026
0.1in
Wettest Day 9 July, 2024
3.6in

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